whatever happened to jimmy hoffa. just a few hours police are going to begin drilling under the driveway of a home in roseville, michigan. it's where a tipster claims he saw a body being buried right around the time that jimmy hoffa disappeared back in 1975. cnn's susan candiotti is live for us in roseville, michigan this morning. what can you tell us about the tipster and the digging, susan. good morning. >> good morning, soledad. well, doesn't everyone love a mystery? and certainly police would like to solve it as much as anyone else would. in particular the chief says for the hoffa family, and for the teamsters. here's what we can tell you about the tipster. he's someone who came forward after all this time because he said he believes that he saw what could have been a body buried beneath the driveway that you can see over my shoulder. is it jimmy hoffa? who knows. is it really someone buried? they don't know. but they have to try to check this out. there's a heavy dose of skepticism among a lot of retired fbi agen